/* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jdbi.v3.sqlobject.customizer; import java.lang.annotation.Annotation; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; import java.lang.reflect.Method; import java.lang.reflect.Parameter; import java.lang.reflect.Type; import org.jdbi.v3.core.statement.Query; /** * Used to specify the maximum numb er of rows to return on a result set. Passes through to * setMaxRows on the JDBC prepared statement. */ @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.METHOD, ElementType.PARAMETER}) @SqlStatementCustomizingAnnotation(MaxRows.Factory.class) public @interface MaxRows { /** * The max number of rows to return from the query. * @return the max rows */ int value(); class Factory implements SqlStatementCustomizerFactory { @Override public SqlStatementCustomizer createForType(Annotation annotation, Class<?> sqlObjectType) { final int maxRows = ((MaxRows)annotation).value(); return stmt -> ((Query)stmt).setMaxRows(maxRows); } @Override public SqlStatementCustomizer createForMethod(Annotation annotation, Class<?> sqlObjectType, Method method) { return createForType(annotation, sqlObjectType); } @Override public SqlStatementParameterCustomizer createForParameter(Annotation annotation, Class<?> sqlObjectType, Method method, Parameter param, int index, Type type) { return (stmt, maxRows) -> ((Query)stmt).setMaxRows((Integer) maxRows); } } }